<html>
 <head>
<script type="text/javascript" >
function getCookie(c_name)
{
    if (document.cookie.length>0)
    {
         c_start=document.cookie.indexOf(c_name + "=")
         if (c_start!=-1)
         { 
            c_start=c_start + c_name.length+1 
            c_end=document.cookie.indexOf(";",c_start)
         if (c_end==-1) c_end=document.cookie.length
         return unescape(document.cookie.substring(c_start,c_end))
        } 
    }
return ""
}
</script>
 <title>显示Cookie数据</title>
 </head>
<body>
  <form >
    <input name="lignt_now" type="text" id="data_text"  />

    </form>
<script type="text/javascript" >
    bang_text= document.getElementById('data_text');            
    bang_text.value =getCookie('Data')
</script>
 </body>
 </html>
